/* 清除样式表：一般情况下，大多数html标签都都自带样式，在做开发期间，我们并不需要这些标签的默认样式，所以清除默认样式 */
/* Reset default styles */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
Ï b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

/* Reset HTML5 elements */
body {
  margin: 0;
  font-family: Arial, sans-serif;
}

/* Reset default text styles */
p,
h1,
h2,
h3,
h4,
h5,
h6,
em,
strong,
kbd,
code,
var {
  font-style: normal;
  font-weight: normal;
  text-decoration: none;
}

/* Reset default list styles */
ul,
ol {
  list-style: none;
}

/* Reset default table styles */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Reset default hr styles */
hr {
  height: 1px;
  border: none;
  margin: 0;
  padding: 0;
}

/* Reset default link styles */
a {
  text-decoration: none;
}

/* Reset default form styles */
input[type='text'],
input[type='password'],
input[type='email'],
input[type='tel'],
input[type='number'],
textarea,
select {
  border: 1px solid #ccc;
  padding: 0.5em;
  margin: 0.5em 0;
  font-size: 1em;
  color: #333;
}

/* Reset default button styles */
button {
  border: 1px solid #ccc;
  padding: 0.5em;
  margin: 0.5em 0;
  font-size: 1em;
  color: #333;
}

/* Reset default image styles */
img {
  border: 0;
  vertical-align: middle;
}

/* Reset default background styles */
/*div[data-background] {
 background-image: url(/path/to/image.jpg);
 background-size: cover;
 background-position: center;
}*/

/* Reset default text effect styles */
mark {
  font-weight: bold;
}

/* Reset default list item styles */
li {
  margin-left: 1em;
}